.media img {
  width: 300px;
  height: 300px;
}

p {
  font-size: 60px;
  color: red
}
h1 {
  text-align: center ;
  font-size: 50px;
  color: green;
}
/*左边 按钮 */
.storeBtn{
  position: fixed;
  left: 50px;
  top:50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  width: 50px;
}

.storeBtn>ul{
  width: 100%;
}

.storeBtn>ul>li{
  margin-bottom: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.storeBtn .btn-primary{
  font-size: 25px;
}